Directory: PHP programming
Plat: PHP
Size: 4KB
Description:   1. Complete the matching and replacement of regular expressions. Given any document, insert any string in the comment 2. Complete the matching and replacement of regular expressions. Given any document, replace the page's address with a hyperlink 3. Complete the splitting of regular expressions. Given any document, splitting is done according to the period and blank characters. 4. Complete the following form validation

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